EH3B020 - 20 Amp Circuit Breaker

EH3B020 - 20 Amp Circuit Breaker

Upgrade your electrical safety with the EH3B020, a high‑performance molded‑case circuit breaker engineered for consistent protection and long‑term reliability. This 20‑amp, three‑pole unit is designed for residential, commercial, and industrial use—providing peace of mind across a wide range of applications. With its powerful AIC ratings and rugged construction, the EH3B020 keeps your circuits secure under real‑world conditions.

Key Features and Benefits

• High Interrupting Capacity (AIC): Rated at 14 kA at 480 VAC and 18 kA at 240 VAC, this breaker delivers outstanding defense against short‑circuit events and overcurrent incidents.
• Thermal & Magnetic Trip Mechanisms: Dual‑action protection ensures rapid response to both prolonged overloads and sudden surges—helping minimize downtime and equipment damage.
• Heat‑Resistant Build: Specifically designed to operate reliably in ambient temperatures up to 40 °C, this breaker thrives in hot environments without compromising performance.
• Three‑Pole Design: Ideal for three‑phase systems—providing balanced protection and preventing phase‑loss issues.

Technical Specifications

• Poles: 3
  
• Nominal Current: 20 A
  
• AIC Rating:
  • 14 kA@480 VAC
  • 18 kA@240 VAC
• Frame Type: EH3
  
• Dimensions:
  • Width: 4.50″
  • Length: 6.00″
  • Depth: 3.63″
• Ship Weight: 5 lb
  
• Max Operating Temp: 40 °C
  

Material Compliance and Certifications

• Manufactured from high‑grade materials that meet stringent UL/IEC standards, the EH3B020 ensures both safety and durability.
• Every unit undergoes rigorous testing to verify thermal resilience, electrical reliability, and overload protection—so you can be confident it meets or exceeds industry requirements.

Suitability

• Residential: Perfect for safeguarding home service panels, subpanels, and equipment circuits—keeping families and valuables safe from overload and fault conditions.
• Commercial: Ideal for shops, offices, and retail spaces with three‑phase power—protects lighting, HVAC systems, and other critical gear.
• Industrial: Engineered to tackle the demands of manufacturing plants, warehouse operations, and heavy‑duty machinery—withstand high ambient temperatures without fail.